/****************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
 *                                                              *
 *   http://www.apache.org/licenses/LICENSE-2.0                 *
 *                                                              *
 * Unless required by applicable law or agreed to in writing,   *
 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
 * specific language governing permissions and limitations      *
 * under the License.                                           *
 ****************************************************************/

package org.apache.james.event.acl;


import java.util.Objects;

import org.apache.james.mailbox.acl.ACLDiff;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

public class ACLDiffDTO {
    public static ACLDiffDTO fromACLDiff(ACLDiff aclDiff) {
        return new ACLDiffDTO(ACLDTO.fromACL(aclDiff.getOldACL()),
            ACLDTO.fromACL(aclDiff.getNewACL()));
    }

    private final ACLDTO oldAcl;
    private final ACLDTO newAcl;

    @JsonCreator
    public ACLDiffDTO(@JsonProperty("oldAcl") ACLDTO oldAcl,
                      @JsonProperty("newAcl") ACLDTO newAcl) {
        this.oldAcl = oldAcl;
        this.newAcl = newAcl;
    }

    @JsonProperty("oldAcl")
    public ACLDTO getOldAcl() {
        return oldAcl;
    }

    @JsonProperty("newAcl")
    public ACLDTO getNewAcl() {
        return newAcl;
    }

    public ACLDiff asACLDiff() {
        return ACLDiff.computeDiff(
            oldAcl.asACL(),
            newAcl.asACL());
    }

    @Override
    public final boolean equals(Object o) {
        if (o instanceof ACLDiffDTO) {
            ACLDiffDTO that = (ACLDiffDTO) o;

            return Objects.equals(this.newAcl, that.newAcl)
                && Objects.equals(this.oldAcl, that.oldAcl);
        }
        return false;
    }

    @Override
    public final int hashCode() {
        return Objects.hash(newAcl, oldAcl);
    }
}
